Finding the Fourth Proportional to 202,811.70, 303,634.35 and 124,079.70
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Solution
The fourth proportional to 202,811.70, 303,634.35 and 124,079.70 is: 185,762.75
Step by Step Solution
- Step 1: Write the proportion equation
202,811.70 : 303,634.35 = 124,079.70 : x - Step 2: Convert to fraction form
202,811.70/303,634.35 = 124,079.70/x - Step 3: Cross multiply
202,811.70x = 303,634.35 × 124,079.70 - Step 4: Simplify right side
202,811.70x = 37,674,859,057.70 - Step 5: Solve for x
x = 37,674,859,057.70/202,811.70 - Step 6: Final answer
x = 185,762.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.